31427900344 has 32 divisors (see below), whose sum is σ = 60575737680. Its totient is φ = 15275153664.

The previous prime is 31427900321. The next prime is 31427900353. The reversal of 31427900344 is 44300972413.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 276319 + ... + 373105.

Almost surely, 2^31427900344 is an apocalyptic number.

It is an amenable number.

31427900344 is a deficient number, since it is larger than the sum of its proper divisors (29147837336).

31427900344 is a wasteful number, since it uses less digits than its factorization.

31427900344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97927 (or 97923 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 37.

The spelling of 31427900344 in words is "thirty-one billion, four hundred twenty-seven million, nine hundred thousand, three hundred forty-four".